> A machine of mine is panicking during cold boot on FreeBSD
> 6.2-RELEASE-p6. No kernel dump is available, as the panic
> occurs so early.
> My machine is an Athlon XP 2000+ on an ECS K7S5A-Pro (SIS735
> chipset) with 1GB PC3200 RAM.
> The root filesystem is a mirror on a 3Ware Escalade 8006-2LP
> SATA hardware RAID card.
> The panic only occurs when the machine is cold-booted (not on
> reboot) when acpi.ko is loaded.
> Any ideas what I can do to debug or correct this issue, or of
> a more appropriate group with which to communicate?
The first thing I'd try is boot direct to the drive, without the RAID card. It
seems from the dump it paniced after loading the 3ware drivers:
"RocketRAID 232x controller driver v1.02 (Jul 16 2007 17:38:56)
panic: pmap_mapdev: Couldn't alloc kernel virtual memory
cpuid = 0
KDB: enter: panic
[thread pid 0 tid 0 ]
Stopped at kdb_enter+0x2b"
This would especially be true if the RAID Array is degraded or failed. But try
it with the drives directly connected to the board.
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